CN105612442B - Polarizer and image display device - Google Patents

Polarizer and image display device Download PDF

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Publication number
CN105612442B
CN105612442B CN201480055566.2A CN201480055566A CN105612442B CN 105612442 B CN105612442 B CN 105612442B CN 201480055566 A CN201480055566 A CN 201480055566A CN 105612442 B CN105612442 B CN 105612442B
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polarizer
resin bed
formula
boronic acid
acid monomer
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CN105612442A (en
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石黑诚
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Fujifilm Corp
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Fujifilm Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/106—Esters of polycondensation macromers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
    • C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
    • C08F230/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing boron
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/202—LCD, i.e. liquid crystal displays
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
    • C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
    • C08F230/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing boron
    • C08F230/065—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing boron the monomer being a polymerisable borane, e.g. dimethyl(vinyl)borane
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Toxicology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

The present invention provides a kind of excellent case hardness and polarizer and the adhesiveness that is configured between the resin bed on polarizer also excellent polarizer and the image display device comprising polarizer.The polarizer of the present invention possesses：Polarizer；And the resin bed directly contacted with polarizer, wherein, resin bed is boronic acid monomer and polyfunctional monomer is carried out layer obtained from polymerizing curable, there is the boronic acid monomer boronate represented by formula (1) and polymerizable group, the Re (550) and Rth (550) of resin bed to meet following formula (X)s and formula (Y) respectively：Formula (X) Re (550)≤10nm, formula (Y) | Rth (550) |≤10nm, the thickness of polarizer is less than 35 μm.

Description

Polarizer and image display device
Technical field
The present invention relates to a kind of polarizer, more particularly to it is a kind of have make boronic acid monomer and polyfunctional monomer polymerize it is solid The polarizer of resin bed obtained from change and the image display device comprising polarizer.
Background technology
The mechanical strength of polarizer is poor, therefore usually by film being made of the triacetyl cellulose through saponification process etc. Polarizer protecting film is fitted on polarizer, is used as polarizer.
On the other hand, in recent years, it is desirable to mechanical strength etc. is improved to polarizer protecting film and improves various performances, and is proposed Various schemes.Polarized for example, having disclosed in patent document 1 and curing resin layer being formed directly into obtained from the surface of polarizer Piece, the curing resin layer are formed by the hardening resin composition containing multifunctional (methyl) acrylic monomer.Record Following content：If the polarizer, then the adhesiveness of polarizer and curing resin layer is higher, and case hardness is also excellent.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2011-221185 publications
The content of the invention
The invention technical task to be solved
On the other hand, with the image display devices such as liquid crystal display device or organic EL display purposes expansion, It is required that thinner polarizer, and requirement is further improved between case hardness and polarizer and the polarizer protecting film of polarizer Adhesiveness.
The inventors of the present invention study the characteristic of the polarizer comprising curing resin layer described in patent document 1 As a result, the adhesiveness for finding between polarizer and curing resin layer is unsatisfactory for current required level, it is necessary into advancing one The improvement of step.
In view of above-mentioned actual conditions, and polarizer excellent it is an object of the invention to provide a kind of case hardness is with being configured at The adhesiveness between resin bed on polarizer also excellent polarizer.
For solving the means of technical task
The present inventor is in order to realizing the above subject and have made intensive studies as a result, finding by using defined boric acid Monomer can solve the above subject, and complete the present invention.
That is, the inventors of the present invention are had found by that can solve the above subject with lower structure.
(1) a kind of polarizer, possesses polarizer and the resin bed directly contacted with polarizer, wherein,
To make layer obtained from boronic acid monomer and polyfunctional monomer progress polymerizing curable, the boric acid has by rear resin bed The boronate and polymerizable group that the formula (1) stated represents,
The Re (550) and Rth (550) of resin bed meet following formula (X)s and formula (Y) respectively,
Formula (X) Re (550)≤10nm
Formula (Y) | Rth (550) |≤10nm
The thickness of polarizer is less than 35 μm.
(wherein, Re (550) refers to postpone (nm) in the face under wavelength 550nm, and Rth (550) refers under wavelength 550nm The delay (nm) of thickness direction.)
(2) according to the polarizer described in (1), wherein, boronic acid monomer is total relative to boronic acid monomer and polyfunctional monomer The mass ratio (quality of boronic acid monomer/(total quality of boronic acid monomer and polyfunctional monomer)) of quality is 0.005~11.0 Quality %.
(3) polarizer according to (1) or (2), wherein, contained polymerizable group is (methyl) in polyfunctional monomer Acryloyl group.
(4) polarizer according to any one of (1) to (3), wherein, resin bed also contains ultra-violet absorber.
(5) according to the polarizer any one of (1) to (4), wherein, resin bed under 300~380nm of wavelength most Big transmissivity is less than 15%.
(6) polarizer according to any one of (1) to (4), wherein, in polarizer and resin bed side opposite side Surface on be also equipped with polarizer protecting film,
Maximum transmission rate of the polarizer protecting film under 300~380nm of wavelength is less than 15%.
(7) a kind of image display device, it includes the polarizer any one of (1) to (6).
(8) image display device according to (7), it is liquid crystal display device.
Invention effect
In accordance with the invention it is possible to provide, case hardness is excellent, and polarizer and the resin bed that is configured on polarizer it Between adhesiveness also excellent polarizer.
Brief description of the drawings
Fig. 1 is the sectional view of an embodiment of the polarizer of the present invention.
Fig. 2 is the sectional view of another embodiment of the polarizer of the present invention.
Embodiment
Hereinafter, the present invention is described in detail.In addition, in this specification, the number range that is represented with "~" refer to by The front and rear described numerical value of "~" as lower limit and upper limit value and comprising scope.
As the characteristic point of the present invention, can enumerate so that defined boronic acid monomer and polyfunctional monomer carry out polymerizing curable Obtained from layer carry out configuration this point with the mode that polarizer surface directly contacts.
It is following to speculate the mechanism for obtaining desirable effect in the present invention.In the present invention, directly make boric acid on the polarizer Monomer and polyfunctional monomer carry out polymerizing curable, and thus, boronic acid monomer is formed with polarizer via boronate and is bonded first, so that Tend in the surface of polarizer.Then, when carrying out polymerizing curable, polymerizable group in polyfunctional monomer and with polarizer key Polymerizable group in the boronic acid monomer of conjunction reacts.I.e., it is believed that boronic acid monomer is bonded to more in polarizer and resin bed Both functional monomers, and play the effect for improving both cementabilities.
Hereinafter, refer to the attached drawing illustrates an embodiment of the polarizer of the present invention.Show that the present invention's is inclined in Fig. 1 Shake piece an embodiment sectional view.In addition, the figure in the present invention is schematic diagram, the relation and position relationship of the thickness of each layer Deng not necessarily identical with reality.Following figure is also identical.
Polarizer 10 possesses polarizer 12 and resin bed 14.As shown in Figure 1, resin bed 14 is directly configured at above-mentioned polarizer On 12 surface, play a role as polarizer protecting film.
Hereinafter, each component (polarizer, resin bed) in polarizer is described in detail.
＜ polarizers ＞
As long as polarizer has the function of the component for converting the light to specific linearly polarized photon, it can utilize and inhale Receipts type polarizer and reflective polarizer.
As absorptive polarizers, can use iodine class polarizer, using dichroic dye dye class polarizer and More alkenes polarizers etc..There are application type polarizer and tension type polarizer as iodine class polarizer and dye class polarizer, To be applicable in, but preferably iodine or dichroic dye is set to be adsorbed in polyvinyl alcohol and the polarizer for being stretched and being made.
Also, as by with base material the stacked film formed with polyvinyl alcohol layer state implement stretching and dye come The method of polarizer is obtained, No. 5048120 publications of Japanese Patent No., Japanese Patent No. No. 5143918 publications, Japan can be enumerated No. 5048120 publication of patent, No. 4691205 publications of Japanese Patent No., Japanese Patent No. No. 4751481 publications, Japan Patents No. 4751486 publication, can also be suitably with the known technology in relation to these polarizers.
As reflective polarizer, can use polarizer, wire grid type obtained from the different film stacking of birefringence Polarizer, by polarizer etc. obtained from the cholesteric crystal with selection reflector space and the combination of 1/4 wavelength plate.
Wherein, from the adhesiveness of resin bed described later it is more excellent from the viewpoint of, preferably contain polyvinyl alcohol Resin is (by-CH2The polymer that-CHOH- contains as repetitive unit.Especially it is selected from by polyvinyl alcohol and ethylene-vinyl alcohol Copolymer form group in it is at least one) polarizer.
The thickness of polarizer is less than 35 μm, from the viewpoint of operational excellent and optical characteristics is also excellent, preferably 3~ 25 μm, more preferably 4~15 μm.If above-mentioned thickness, then the slimming of image display device is coped with.
＜ resin beds ＞
Resin bed (curing resin layer) is the layer protected polarizer and mechanical strength is assigned to polarizer.In addition, in Fig. 1, Resin bed 14 is only configured at the single side of polarizer 12, but can also be configured at two-sided.
Resin bed is the layer directly contacted with polarizer, is to make boronate and polymerizable group with being represented by formula (1) Boronic acid monomer and polyfunctional monomer carry out polymerizing curable obtained from layer.Also, resin bed optically shows isotropism.
Hereinafter, the raw material (boronic acid monomer and polyfunctional monomer etc.) of resin bed is described in detail first, afterwards to tree Manufacturing step of lipid layer etc. is described in detail.
(boronic acid monomer)
Boronic acid monomer is with the boronate represented by formula (1) and the compound of polymerizable group, is carried as described above, playing The effect of adhesiveness between high polarizer and resin bed.
[chemical formula 1]
In formula (1), R1And R2Separately represent hydrogen atom, substituted or unsubstituted aliphatic alkyl, aryl or heterocycle Base.
As aliphatic alkyl, for example, the substituted or unsubstituted straight chain of carbon number 1~20 or branch Alkyl (for example, methyl, ethyl, isopropyl etc.), the substituted or unsubstituted cyclic alkyl of carbon number 3~20 are (for example, hexamethylene Base etc.), the alkenyl (for example, vinyl etc.) of carbon number 2~20.
As aryl, for example, the substituted or unsubstituted phenyl of carbon number 6~20 is (for example, phenyl, toluene Base etc.), the substituted or unsubstituted naphthyl of carbon number 10~20 etc..
As heterocyclic radical, for example, containing at least one hetero atom (for example, nitrogen-atoms, oxygen atom, sulphur atom Deng) substituted or unsubstituted 5 yuan or 6 yuan of rings group, for example, pyridine radicals, imidazole radicals, furyl, piperidyl, Morpholinyl etc..
R1And R2Can be connected to each other and form ring, for example, R1And R2Isopropyl can link and form 4,4,5,5- tetra- Methyl isophthalic acid, 3,2- dioxaborinate rings.
In formula (1), as R1And R2, preferably hydrogen atom, the alkyl of the straight chain of carbon number 1~3 or branch, R1And R2Even Tie and form the situation of ring, most preferably hydrogen atom.
In formula (1), * represents bonding position.
In addition, be not particularly limited by the quantity of boronate that formula (1) represents, can be it is one or more (two with On).
In addition, more than one of alkyl contained in these aliphatic alkyls, aryl and heterocyclic radical can arbitrarily be taken Substitute for base.The species of substituent is for example, described in 0046 paragraph of Japanese Unexamined Patent Publication 2013-054201 publications Substituent.
The species of polymerizable group is not particularly limited, for example, free-radical polymerised group, cation gather Conjunction property group etc..As free-radical polymerised group, (methyl) acryloyl group, acrylamido, vinyl, benzene second can be enumerated Alkenyl, pi-allyl etc..As cationic polymerizable group, vinyl ether group, epoxy ethyl, oxetanylmethoxy etc. can be enumerated. Wherein, preferably (methyl) acryloyl group, styryl, vinyl, epoxy ethyl or oxetanylmethoxy, further preferred (methyl) Acryloyl group or styryl, particularly preferred (methyl) acryloyl group.
In addition, (methyl) acryloyl group refers to comprising both acryloyl group and methylacryloyl.
The quantity of polymerizable group is not particularly limited, and can be one or more (two or more).
The molecular weight of boronic acid monomer is not particularly limited, from the intermiscibility of polyfunctional monomer it is excellent from the viewpoint of, It is preferred that 120~1200, more preferably 180~800.
As the preferred configuration of boronic acid monomer, the more excellent viewpoint of adhesiveness between polarizer and resin bed is examined Consider, the boronic acid monomer represented by formula (2) can be enumerated.
[chemical formula 2]
R in formula (2)1And R2It is as defined above.
Z represents polymerizable group.Polymerizable group is as defined above.
X1Represent that singly-bound or divalent link group.As divalent link group, for example ,-O- ,-CO- ,-NH- ,- CONH- ,-OCONH- ,-COO- ,-O-COO-, alkylidene, arlydene, heterocyclic radical (heteroarylidene) and in combinations thereof Divalent link group.
In addition, combination is used as, for example ,-arlydene-La- arlydene-La- arlydene-La- alkylidenes-,-sub- Aryl-La- arlydene-La- alkylidenes-,-arlydene-La- alkylidenes-etc..La expressions-COO- ,-CO-NH- ,-O- or- OCONH-。
The concrete example of boronic acid monomer described below, but the present invention is not limited to this.
[chemical formula 3]
[chemical formula 4]
[chemical formula 5]
[chemical formula 6]
(polyfunctional monomer)
Polyfunctional monomer is can to use light or the hot compound being polymerize, and becomes after polymerizing curable and forms resin bed Component.
Contain multiple polymerizable groups in polyfunctional monomer.Polymerizable group is as defined above, preferably (methyl) third Enoyl-.
The quantity of contained polymerizable group is not particularly limited in polyfunctional monomer, as long as multiple (two or more) , from the viewpoint of the case hardness of polarizer is more excellent, preferably 3~32, more preferably 3~20.
As the concrete example of polyfunctional monomer, for example, ethylene glycol two (methyl) acrylate, two (first of triethylene glycol Base) acrylate, tetramethylene glycol two (methyl) acrylate, propane diols two (methyl) acrylate, two (first of polyethylene glycol Base) acrylate, polypropylene glycol two (methyl) acrylate, 1,3 butylene glycol two (methyl) acrylate, trimethylolethane Triacrylate, trimethylolpropane tris (methyl) acrylate, trimethylolpropane two (methyl) acrylate, new penta 2 Alcohol two (methyl) acrylate, pentaerythrite four (methyl) acrylate, pentaerythrite three (methyl) acrylate, pentaerythrite Six (methyl) acrylate, dipentaerythritol six (methyl) acrylate, dipentaerythritol five (methyl) acrylate, hexylene glycol Two (methyl) acrylate, trimethylolpropane tris (acryloxypropyl) ether, three (acryloyl-oxyethyl) isocyanuric acids Ester, three (acryloyl-oxyethyl) cyanurates, glycerine three (methyl) acrylate, make ethylene oxide or propylene oxide and three hydroxyls Material etc. obtained from progress (methyl) acroleic acid esterification is more after the polyfunctional alcohol such as methylpropane or glycerine carries out addition reaction Function (methyl) acrylate.
One kind can be used only in these polyfunctional monomers, can also be applied in combination two or more.
In addition, (methyl) acrylate refers to comprising both acrylate and methacrylate.
The mass ratio of above-mentioned boronic acid monomer and polyfunctional monomer is not particularly limited, and is polarized under the conditions of hot and humid From the viewpoint of the durability of polarizer in piece is more excellent, preferred boric acid single phase is for boronic acid monomer and polyfunctional monomer Total quality mass ratio (quality of boronic acid monomer/(total quality of boronic acid monomer and polyfunctional monomer)) be 0.0005 ~20.0 mass %, more preferably 0.005~11.0 mass %, more preferably 0.05~9.0 mass %.
(manufacture method of resin bed)
As long as the manufacture method of resin bed can manufacture the resin bed directly contacted with polarizer, then do not limit especially System, but from the viewpoint of the thickness of control resin bed is easier, can be by the way that above-mentioned boronic acid monomer and above-mentioned more officials will be contained The resin bed formation of energy monomer is directly coated on polarizer with composition and manufactures its polymerizing curable.In other words, preferably Following manner：Above-mentioned resin bed formation is directly coated on polarizer to form film with composition, and the film is implemented Polymerizing curable processing, thus manufactures resin bed.
Hereinafter, to being described in detail using resin bed formation with the mode of composition.
Contain above-mentioned boronic acid monomer and above-mentioned polyfunctional monomer in resin bed formation composition.Boronic acid monomer with it is multifunctional The mass ratio of monomer is not particularly limited, but preferably satisfy above-mentioned boronic acid monomer mass ratio (quality of boronic acid monomer/ (total quality of boronic acid monomer and polyfunctional monomer)).
Also, it can also contain in resin bed formation composition in addition to above-mentioned boronic acid monomer and above-mentioned polyfunctional monomer Component.
For example, polymerization initiator can be contained in resin bed formation composition.
The species of polymerization initiator is not particularly limited, and can suitably be selected according to the species of polymerizing curable suitable Compound.More specifically, Photoepolymerizationinitiater initiater, thermal polymerization can be enumerated.
As Photoepolymerizationinitiater initiater, for example, alkylbenzene ketone, acylphosphine oxide class, titanium cyclopentadienyl class etc..As heat Polymerization initiator, for example, ketone peroxide class, ketal peroxide class, hydroperoxide type, dialkyl peroxide Class, diacyl peroxide class, peroxycarbonates class, peroxyesters etc..
Various surfactants can be contained in resin bed formation composition.
Surfactant can suppress the thickness caused by the drying deviation caused by the locality distribution of dry wind not , and the concave-convex surface of resin bed and the depression (playing a role as levelling agent) of coating material can be improved.
As surfactant, specifically, preferably fluorine class surfactant or silicone surfactant.Also, with Low molecular compound is compared, and surfactant is preferably oligomer or polymer.
If addition surfactant, surfactant is mobile to the surface for the liquid film being coated with rapidly and deviation, film After drying, surfactant, which remains on, to be tended in surface, therefore with the addition of the surface energy of the resin bed of surfactant because of surface Activating agent and decline.From prevent resin bed membrane thickness unevenness and depression, it is uneven from the viewpoint of, preferably the surface energy of film compared with It is low.
The preferred embodiment and concrete example of fluorine class surfactant are recorded in the paragraph of Japanese Unexamined Patent Publication 2007-102206 publications It is also identical in the present invention in number [0023]~[0080].
As the preference of silicone surfactant, it can enumerate and contain multiple dimethylsiloxy units as repetition Unit and there is the material of substituent in the end of compound chain and/or side chain.Contain dimethylsiloxy units as repetition The construction unit in addition to dimethylsiloxy units can be contained in the compound chain of unit.Substituent can it is identical can also Difference, preferably with multiple substituents.As the example of preferred substituents, can enumerate comprising polyether-based, alkyl, aryl, virtue The group of epoxide, cinnamoyl, oxetanylmethoxy, fluoroalkyl, polyoxy alkylidene etc..
As the example of preferred silicone surfactant, Shin-Etsu Chemical Co., Ltd.s system can be enumerated " X-22-174DX ", " X-22-2426 ", " X22-164C ", " X-22-176D " (being above trade name)；CHISSO " FM-7725 " of CORPORATION, " FM-5521 ", " FM-6621 " (being above trade name)；" the DMS- of Gelest U22 ", " RMS-033 " (being above trade name)；" SH200 " of Dow Corning Toray Co., Ltd., " DC11PA ", " ST80PA ", " L7604 ", " FZ-2105 ", " L-7604 ", " Y-7006 ", " SS-2801 " (being above trade name)； " TSF400 " (trade name) of Momentive Performance Materials Inc.；Deng, but it is not limited to these.
The molecular weight of surfactant is not particularly limited, and is preferably less than 100,000, and more preferably less than 50,000, especially Preferably 1,000~30,000, it is most preferably 1,000~20,000.
Resin bed formation is not particularly limited with the content of the surfactant in composition, is preferably regulated as surface work Property agent is 0.01~0.5 mass % relative to the content of the resin bed gross mass formed, more preferably 0.01~0.3 mass %.
(translucent resin particle)
Also, in order to assign anti-glare (surface scattering) and scattering-in, various printing opacities can be used in resin bed Property resin particle.
The particle diameter of translucent resin particle does not have deviation, and the deviation of scattering properties is smaller, easier design haze value. As translucent resin particle, preferably plastic ball.
As translucent resin particle, organic filler is may be exemplified out, as organic filler, polymethyl can be used Sour methyl esters particle (refractive index 1.49), poly- (acrylicstyrene) copolymer particle (refractive index 1.54) of crosslinking, melamine tree Fat granule (refractive index 1.57), makrolon particle (refractive index 1.57), polystyrene particle (refractive index 1.60), crosslinking polyphenyl Beta particles (refractive index 1.61), particulate polyvinyl chloride (refractive index 1.60), (refraction of benzoguanamine-melamino-formaldehyde particle Rate 1.68) etc..
It is wherein it is possible to poly- preferably using crosslinked polystyrene particle, poly- ((methyl) acrylate) particle of crosslinking, crosslinking (acrylicstyrene) particle, by correspondingly being adjusted with the refractive index of each translucent resin particle in these particles The refractive index of resin component in resin bed, can assign anti-glare (surface scattering) and scattering-in.And then Neng Gouliang Internal haze, Surface haze, center line average roughness are realized well.
Specific refractivity (the refraction of translucent resin particle of resin component and translucent resin particle in resin bed The refractive index of resin component in rate-resin bed) in terms of absolute value preferably 0.001~0.030.If specific refractivity is in the model In enclosing, then the problems such as film word obscures, darkroom contrast declines, surface haze will not be produced.
Preferably 0.5~20 μm of the average grain diameter (volume reference) of translucent resin particle.If average grain diameter is within the range, Then the scattering angle distribution of light will not excessive wide-angle, therefore the word of display will not obscure.
Also, can also be at the same time using the different two or more translucent resin particles of particle diameter.Bigger grain can be utilized The translucent resin particle in footpath assigns anti-glare, and the harsh feeling on the translucent resin particle reduction surface using smaller particle.
When coordinating translucent resin particle, preferably to contain 3~30 mass % in all solids component of resin bed Mode coordinated.If content is within the range, it can also prevent image from obscuring, the gonorrhoea on surface and the problems such as dazzle.
Also, low-index layer can be set by being configured in image display device on the resin bed of visuognosis side.Into One step preferentially, index layer, high refractive index layer in being set between resin bed and low-index layer.By in resin bed Fold the different layer of refractive index in upper strata, it is possible to increase antireflection.
Low-index layer, middle index layer, the preferred embodiment of high refractive index layer and concrete example are recorded in Japanese Unexamined Patent Publication 2007- It is also identical in the present invention in paragraph [0237]~[0250] of No. 102206 publications.
It can contain solvent as needed in resin bed formation composition.As solvent, water or organic molten can be enumerated Agent.
Also, in resin bed formation composition, it can add within the limits of its properties other than the above each Kind additive.As various additives, it may be exemplified out ultra-violet absorber, antioxidant, light stabilizer, organic/inorganic and fill out Fill agent, plasticizer, fire retardant, heat stabilizer, lubricant, antistatic additive, releasing agent, foaming agent, nucleator, colouring agent, crosslinking Agent, dispersing aid, levelling agent and resin component etc..
The method that resin bed formation is coated on polarizer with composition is not particularly limited, can be used known Coating method.For example, can enumerate intaglio plate coating, roller coat cloth, reversely coating, blade coating (knife coat), mold coating, Die lip coating (lip coat), scraper for coating (doctor coat), extrusion coated (extrusion coating), slidingtype apply Cloth, wire rod coating, dip coated, curtain coating, extrusion coated, spin coating etc..
, can be as needed to the coating layer of composition in order to remove solvent after coating resin layer formation composition Implement drying process.The method of drying process is not particularly limited, and can be enumerated and be air-dried processing or heating etc..
The method of the coating layer polymerizing curable of the composition as obtained from above-mentioned coating is not particularly limited, can be with Enumerate heating or photo-irradiation treatment etc..
The condition of heating is different and different because used material, and the viewpoint more excellent from reaction efficiency is examined Consider, preferably handled under 40~120 DEG C (preferably 50~80 DEG C) 0.5 minute~10 minutes (preferably 1 minute~5 minutes).
The condition of photo-irradiation treatment is not particularly limited, and is preferably produced and is irradiated ultraviolet to carry out the ultraviolet of photocuring Line irradiation.As the ultraviolet lamp used in this method, for example, metal halide lamp, high-pressure mercury-vapor lamp, Cooper-Hewitt lamp, impulse type xenon lamp, xenon/mercury reciprocally incorporated lamp, understerilization lamp, electrodeless lamp.In these ultraviolet lamps, Preferably using metal halide lamp or high-pressure mercury-vapor lamp.
Also, the condition of irradiation is different and different because the condition of each lamp, and irradiation exposure amount is usually in 20~10000mJ/cm2 In the range of, preferably in 100~3000mJ/cm2In the range of.
The average thickness of resin bed is not particularly limited as obtained from above-mentioned processing, from operability in terms of etc. examine Consider, preferably 0.2~15 μm, more preferably 0.5~10 μm.
Thickness can use existing film thickness gauge, reflection beam splitting film thickness gauge (FE-3000, Otsuka Electronics Co., Ltd. systems) measure.Alternatively, can directly it be measured with the section of microscope or SEM observation resin beds.
In addition, average thickness be in resin bed measure separate more than 10mm any more than 5 points of thickness and by these Value obtained from carrying out arithmetic average.
Also, resin bed meets following formula (X) and formula (Y).In addition, formula (Y) refers to that the absolute value of Rth (550) is Below 10nm, is -10nm≤Rth (550)≤10nm in other words.
Formula (X) Re (550)≤10nm
Formula (Y) | Rth (550) |≤10nm
Wherein, Re (550) refers to postpone (nm) in the face under wavelength 550nm, and Rth (550) refers to the thickness under wavelength 550nm Spend the delay (nm) in direction.
From being difficult to from the viewpoint of bringing influence to the polarised light transmitted, Re (550) preferably below the 5nm of resin bed, More preferably below 3nm.Also, similarly, resin bed | Rth (550) | preferred below 5nm, more preferably below 3nm.
As the assay method of the Re (550) and Rth (550) of resin bed, KOBRA 21ADH or WR (Oji can be used Scientific Instruments Co., Ltd. system), AXOSCAN (AXOMETRICS INC. systems) equiphase difference measurement device To measure.
Resin bed is layer obtained from above-mentioned boronic acid monomer and above-mentioned polyfunctional monomer are carried out polymerizing curable, but can be contained There are other compositions.
For example, ultra-violet absorber can be contained in resin bed.
As ultra-violet absorber, known material can be used.For example, benzotriazole, benzophenone can be enumerated Class, phenyl salicylate class, triazine-based ultraviolet absorbent.
The content of ultra-violet absorber in resin bed is not particularly limited, from preventing from the resin bed after polymerizing curable Leakage, the high rigidity of resin bed, from the viewpoint of the balance of visibility and UV shieldings, preferably with respect to resin bed Gross mass is 2~25 mass %.
The optical characteristics of resin bed is not particularly limited, when using polarizer and resin bed to match somebody with somebody in image display device When being placed in visuognosis side, from the viewpoint of the light resistance of the polarizer in polarizer is more excellent, optimal wavelength 300~ Maximum transmission rate under 380nm is less than 15%, more preferably less than 10%.
The assay method of maximum transmission rate can use spectrophotometer UV-3150 (Shimadzu Corporation systems) etc. Spectrophotometer measures.
＜ polarizers and application thereof ＞
As described above, the polarizer of the present invention at least has polarizer and resin bed.
, can be in a manner of resin bed be towards visuognosis side (outside) when polarizer is contained in image display device Configured, can also be configured in a manner of towards opposite side (inner side).
Furthermore it is possible to other layers are included within the scope of the effect of the invention.
For example, as shown in Fig. 2, can be configured with the surface with the opposite side of 14 side of resin bed of polarizer 12 The polarizer 100 of polarizer protecting film 16.
When the polarizer comprising polarizer protecting film is contained in image display device, preferably by polarizer protecting film with Configured towards the mode in visuognosis side (outside).
The optical characteristics of polarizer protecting film is not particularly limited, when in image display device use polarizer and partially It is excellent from the viewpoint of the light resistance of the polarizer in polarizer is more excellent when the device protective film that shakes is configured at visuognosis side It is less than 15% to select maximum transmission rate of the polarizer protecting film under 300~380nm of wavelength, more preferably less than 7%.
The structure of polarizer protecting film is not particularly limited, such as can be so-called transparent supporting body or hard conating, It can also be the layered product of transparent supporting body and hard conating.
As hard conating, known layer can be used, for example, can be by above-mentioned polyfunctional monomer carry out polymerizing curable and Obtained layer.
Also, as transparent supporting body, known transparent supporting body can be used, such as forming transparent supporting body Material, can use cellulosic polymer (hereinafter referred to as cellulose acylate) or heat using triacetyl cellulose as representative Plasticity norbornene resin (ZEONEX, the ARTON of ZEONOR, JSR Corporation of ZEON CORPORATION Deng), acrylic resin, polyester resin.
The thickness of polarizer protecting film is not particularly limited, but from can make polarizer thickness is thinning etc. that reason is examined Consider, preferably less than 40 μm, more preferably less than 25 μm.
By the way that the polarizer of the present invention is configured in the light-path of image display device, such as liquid crystal display device is extremely Side of few liquid crystal cells etc., can obtain the image display device of the present invention, such as liquid crystal display device.Liquid crystal display device Various patterns are had according to the species of used liquid crystal cells, the polarizer of the present invention can be used under any circumstance.Example Such as, can VA (vertical orientated) type, IPS (in-plane switching) type, OCB (optical compensation curved) type, TN (twisted-nematic) type, The polarizer of the present invention is used in the liquid crystal display devices of various patterns such as STN (super twisted nematic) type.
In addition, it may be inserted between the polarizer and liquid crystal cells of the present invention for improving viewing angle characteristic and contrast Phase difference film.Phase difference film is different and different according to the species of used liquid crystal cells, can be lifted in the case of VA types Go out negative-C-plate or A-plate and negative-C-plate etc., biaxial- can be enumerated in the case of IPS Can be enumerated when plate or possitive-C-plate etc., TN type will be thin obtained from the discotic mesogenic immobilization of hybrid orientation Film etc., whens STN types, can enumerate biaxial-plate etc..
Embodiment
Hereinafter, embodiment is enumerated the feature of the present invention is described in further detail.Material shown in following embodiments Material, usage amount, ratio, process content, processing step etc. then can be changed suitably without departing from spirit of the invention.Therefore, The scope of the present invention should not pass through the explanation of being construed as limiting property of concrete example as shown below.
The making ＞ of films 28 of the ＜ with hard conating
(preparation of air layer cellulose ester solution)
Following compositions are put into blending tank, are heated while stirring and dissolving each component, so as to prepare air Layer cellulose ester solution.
The composition of air layer cellulose ester solution
[chemical formula 7]
[chemical formula 8]
[chemical formula 9]
(preparation of roller layer cellulose ester solution)
Following compositions are put into blending tank, are heated while stirring and dissolving each component, so as to prepare roller Layer cellulose ester solution.
The composition of roller layer cellulose ester solution
(preparation of sandwich layer cellulose ester solution)
Following compositions are put into blending tank, are heated while stirring and dissolving each component, so as to prepare sandwich layer use Cellulose ester solution.
The composition of sandwich layer cellulose ester solution
(film based on common curtain coating)
As curtain coating mould, using equipped with the feed head for being adjusted to common curtain coating so as to molding the film of 3-tier architecture Device.By above-mentioned air layer cellulose ester solution, sandwich layer cellulose ester solution and roller layer cellulose ester solution from Mouth is cast to common curtain coating on the roller for be cooled to -7 DEG C.At this time, air layer/sandwich layer/roller layer=7/90/ is become with the ratio between thickness 3 mode adjusts the flow of each dope.
It is cast on to the mirror face stainless steel supporter of the roller of a diameter of 3m.At this time, on roller with 270m3/ minute blows Go out 34 DEG C of dry wind.
Also, from from the terminal portion 50cm in curtain coating portion nearby, by the cellulose ester membrane for being cast and rotating from roller After stripping, both ends are clamped with pin stenter.During stripping, 5% stretching is carried out along direction of transfer (length direction).
The cellulose esters tablet kept with pin stenter is sent to dry section.When dry for the first time, 45 DEG C are sent out Dry wind, it is then 5 minutes dry at 110 DEG C.At this time, by cellulose esters tablet while being drawn in the width direction with 10% multiplying power Stretch while being transmitted.
After making tablet disengaging pin stenter, the part kept with pin stenter is continuously cut, in the width of tablet Direction both ends form the bumps of 10 μm of height with the width of 15mm.The width of tablet at this time is 1610mm.Transmit at one edge Direction adds the tensile stress of 210N, while 10 minutes dry at 140 DEG C.Also, desirable width is become with tablet Mode continuously cuts width end, so as to make the cellulose ester membrane of 41 μm of thickness.
(making of hard conating)
Prepare coating fluid of following hardening resin compositions as hard conating formation.
(hardening resin composition)
It is coated with the mold using slit die described in the embodiment 1 of Japanese Unexamined Patent Publication 2006-122889 publications Method, above-mentioned curable resin combination is coated with the cellulose ester membrane of above-mentioned middle making with the transfer rate condition of 30m/ minutes Thing, and it is 60 seconds dry at 60 DEG C.Afterwards, further under nitrogen purge (oxygen concentration about 0.1%), the gas of 160W/cm is used Cold metal halide lamp (EYE GRAPHICS Co., Ltd. system) irradiation illumination 400mW/cm2, exposure 390mJ/cm2It is ultraviolet Line, makes coating layer cure and be batched.Coating weight is adjusted in a manner of the thickness of cured layer becomes 4 μm.So make total film Thick 45 μm of the film 28 (after, be also simply referred to as " film 28 ") with hard conating.
The making ＞ of films 29 of the ＜ with hard conating
(making of acrylate film)
[there will be acrylic resin { the comonomer quality of the lactone ring structure represented by the following general formula (R-III) Than：Methyl methacrylate/2- (methylol) methyl acrylate=8/2, lactonic ring rate about 100%, lactone ring structure contain Proportional 19.4%, weight average molecular weight 133000, melt flow rate (MFR) 6.5g/10 minutes (240 DEG C, 10kgf), Tg131 DEG C 90 Mass parts, acrylonitrile-styrene (AS) resin { TOYO AS AS20, TOYO STYRENE CO., LTD. system } 10 mass parts and The mixture of ADKSTAB LA-F70 { ADEKA CORPORATION systems } 4.5 mass parts；Tg127 DEG C] particle supply to double spiral shells Bar extruder, and the melting extrusion slabbing at about 280 DEG C, so as to obtain the acrylate film of the strip of 20 μm of thickness.
[chemical formula 10]
In above-mentioned formula (R-III), R1For hydrogen atom, R2And R3For methyl.
(making of hard conating)
In the film 28 with hard conating, cellulose ester membrane is changed into the acrylate film of above-mentioned making, in addition, With the method identical with the film 28 with hard conating, the hard conating that the thickness of cured layer is 4 μm is coated on acrylate film. So make the film 29 (after, be also simply referred to as " film 29 ") with hard conating of 24 μm of total film thickness.
The polarizer ＞ of ＜ comparative examples 1
Prepare the film 28 with hard conating, impregnate 2 in NaOH aqueous solutions (saponification liquor) 1.5mol/L for remaining 55 DEG C After minute, film is washed.Afterwards, after being impregnated 30 seconds in 25 DEG C of aqueous sulfuric acid 0.05mol/L, and then in flowing water Under, it is passed through water washing bath 30 seconds, film is become neutral state.Also, repeat 3 times using air knife to remove moisture, remove After water, it is set to be detained 15 seconds and be dried in 70 DEG C of dry section, so as to make the film through saponification process.
Using polyvinyl alcohol bonding agent, the film 28 with hard conating through saponification is fitted in the polarizer of 25 μm of thickness (polarizer containing polyvinyl alcohol resin), and it is more than 10 minutes dry at 70 DEG C, so as to make polaroid A.Here, with The axis of homology of the polarizer mode orthogonal with the direction of transfer of film is configured.In addition, during fitting, by the film with hard conating Film side in 28 is bonded towards polarizer side.
It is coated with the mold using slit die described in the embodiment 1 of Japanese Unexamined Patent Publication 2006-122889 publications Method, to transmit speed on the surface with the polarizer of the 28 side opposite side of film with hard conating in made polaroid A The degree condition of 24m/ minutes is coated with hardening resin composition 4 described later, and 60 seconds dry at 60 DEG C.It, further in nitrogen (oxygen concentration about 0.1%) is swept down in air-blowing, uses metal halide lamps (the EYE GRAPHICS Co., Ltd.s of 160W/cm System) irradiation illumination 400mW/cm2, exposure 390mJ/cm2Ultraviolet, coating layer is cured and is batched.With cured layer Thickness adjusts coating weight as 1 μm of mode.The polarizer of such comparison example 1.
(hardening resin composition 4)
＜ comparative examples 2~5, embodiment 1~12,36~38 ＞
As described in Table 2, curable resin described in table 1 below is used instead of hardening resin composition 4 Composition, and change as table 2 below the species of polarizer protecting film and the thickness of polarizer, in addition, with compared with The polarizer of the identical method comparison example 2~5 of example 1 and embodiment 1~12,36~38.
In addition, the structure of embodiment 1~12,36~38 is equivalent to structure described in Fig. 2, the film 28 with hard conating And 29 equivalent to the polarizer protecting film 16 in Fig. 2.
In table 1, the numerical value in " composition " column refers to the mass parts of each component.
In addition, in each hardening resin composition, as solvent, contain 100.0 mass parts of methyl ethyl ketone.
In table 1, described DPHA, A-TMMT, SP327 are referred respectively to following in " [A] polyfunctional monomer " column.
DPHA：KAYARAD DPHA [Nippon Kayaku Co., Ltd. system]
A-TMMT：A-TMMT [SHIN-NAKAMURA CHEMICAL CO., LTD. system]
SP327：Following compounds of OSAKA ORGANIC CHEMICAL INDUSTRY LTD.
[chemical formula 11]
In table 1, described 1~compound of compound 4 refers respectively to following compound in " [B] boronic acid monomer " column.
[chemical formula 12]
In table 1, described HBA, UV1700B refer respectively to following compound in " [C] other monomers " column.
HBA：Acrylic acid 4- hydroxybutyls (Nippon Kasei Chemical Co., Ltd.s system, trade name " HBA ")
UV1700B：Urethane acrylate (The Nippon Synthetic Chemical Industry Co., Ltd., trade name " purple light UV-1700B ")
In table 1, described Irg907, Irg127 refer respectively to following compound in " [D] polymerization initiator " column.
Irg907：Irgacure907 (Ciba Specialty Chemicals Inc. systems)
Irg127：Irgacure127 (Ciba Specialty Chemicals Inc. systems)
In table 1, described Uvinul3050 and Tinuvin928 refer to following chemical combination in " [E] ultra-violet absorber " column Thing (BASF Japan Ltd.).
[chemical formula 13]
In table 1, described 5~compound of compound 7 refers to containing with table 5 below in " [F] surfactant " column Rate (mole %) has the copolymer of repetitive unit described in table 5 below.Weight average molecular weight (Mw) is GPC measure (polyphenyl Ethene convert) measured value.
Table 5
In table 1, " [B]/[A]+[B] " column represents the mass ratio (quality of boronic acid monomer/(boronic acid monomer of boronic acid monomer With total quality of polyfunctional monomer)).
Irradiation when " cured layer " column in table 1 is represented using each hardening resin composition to form resin bed respectively Amount, the thickness of the resin bed formed by each hardening resin composition, the resin bed that is formed by each hardening resin composition The Re of maximum transmission rate and the resin bed formed by each hardening resin composition (550), Rth (550).
The resin bed formed in embodiments is manufactured with the thickness of table 1.
The maximum transmission rate of the resin bed formed by each hardening resin composition refers under 300~380nm of wavelength most Big transmissivity, is measured using UV-3150 (Shimadzu Corporation systems) to calculate the maximum transmission rate.
Re (550), the Rth (550) of the resin bed formed by each hardening resin composition utilize AXOSCAN (AXOMETRICS INC. systems) measures.
In addition, as the maximum transmission rate and Re (550) of resin bed and the assay method of Rth (550), first, in thickness Each hardening resin composition is coated with the PET of 100 μm of degree, further under nitrogen purge (oxygen concentration about 0.1%), is used Metal halide lamps (EYE GRAPHICS Co., Ltd. system) the irradiation illumination 400mW/cm of 160W/cm2, exposure 390mJ/cm2Ultraviolet, cure coating layer and form resin bed.Afterwards, PET is peeled off, measure resin bed is individually maximum Transmissivity and Re (550) and Rth (550).In addition, it will only be shone in the case of hardening resin composition 15,16 and 34 The amount of penetrating changes into 850mJ/cm2.In addition, the thickness of each resin bed (cured film) is surveyed with thickness (μm) described in table 1 It is fixed.
In table 2, the sequence of hardening resin composition described in table 1 is recorded on " species of hardening resin composition " column Number.
Also, " resin bed " column refers to the resin bed (cured layer) obtained by hardening resin composition, such as will be by solid The resin bed that the property changed resin combination 1 is formed is labeled as cured layer 1.
The maximum transmission rate of " polarizer protecting film " in table 2 refers to film 28 or film 29 under 300~380nm of wavelength Maximum transmission rate, be measured using UV-3150 (Shimadzu Corporation systems) to calculate the maximum transmission rate.
Table 2
Using obtained polarizer in the embodiment shown in table 2 and comparative example, implement various evaluations as shown below.Will As a result summarize and be shown in table 2.
(adhesiveness)
By the face in the polarizer of each embodiment and comparative example with face opposite side formed with resin bed via thickness About 20 μm of adhesive fits in glass substrate to make sample, which under conditions of 25 DEG C, 60%RH is stood 2 days it Afterwards, for the resin layer surface in polarizer, implement to draw lattice disbonded test according to JIS K 5400, and according to stripping number into Row evaluation.Wherein, continuously implement for same sample twice using the strip operation of adhesive tape, evaluation stripping number total twice (stripping number after second).In addition, continuous implement after referring to joint adhesive band twice and being peeled off, it is further right Same sample joint adhesive band is simultaneously peeled off.
(pencil hardness)
Using the pencil of different hardness, by obtaining each embodiment and ratio according to the test method of JIS K 5400 (1990) Compared with the pencil hardness of the polarizer of example, the relative evaluation of the result of polarizer relative to comparative example 1 is carried out.Metewand is such as Under.The preferred A or B in terms of practicality.In addition, pencil hardness is evaluated since being configured with the side of resin bed.
A：Hardness is equal to or higher than the hardness of comparative example 1
B：For comparative example 1, hardness reduces by 1 grade
C：For comparative example 1, hardness reduces by 2 grades
In addition, in table 2, the evaluation of above-mentioned A~C is shown in each column, and in the parenthetic result for showing specific hardness. For example, " (A (3H)) " represents that it is 3H to be evaluated as A and specific hardness.
(WET durabilities)
Resin bed in the polarizer of each embodiment and comparative example is fitted in into glass substrate to make examination via adhesive Sample, after the sample is stood 42 days under conditions of 60 DEG C, 90%RH, uses VAP-7070 (JASCO Corporation) Measure the degree of polarization of polarizer.In addition, carrying out the measure of 3 above-mentioned degree of polarizations, polarization of the value as each polarizer is averaged Degree.
Also, by the polarizer polarizer of making comparisons of comparative example 1, reduced rate is obtained using following formula by its degree of polarization, WET durabilities are evaluated by following metewand.The preferred A or B in terms of practicality.
Degree of polarization (%)-each embodiment (or each comparative example) after the long duration test of reduced rate (%)=compare polarizer Degree of polarization (%) after the long duration test of polarizer
A：Reduced rate is less than 0.02%
B：Reduced rate is for 0.02% less than 0.05%
C：Reduced rate is more than 0.05%
(light resistance)
Resin bed in the polarizer of each embodiment and comparative example is fitted in into glass substrate to make examination via adhesive Sample, implements 15 days irradiation (150W/cm using xenon lamp from the polarizer protecting film side of the sample2, super xenon weather-resistant tester SX75 (Suga Test Instruments Co., Ltd.s)) after, measured using VAP-7070 (JASCO Corporation) The degree of polarization of polarizer.
Also, by the polarizer polarizer of making comparisons of comparative example 1, reduced rate is obtained using following formula by its degree of polarization, Light resistance is evaluated by following metewand.The preferred A or B in terms of practicality.
Degree of polarization (%)-each embodiment (or each comparative example) after the Light Resistance Test of reduced rate (%)=compare polarizer Degree of polarization (%) after the Light Resistance Test of polarizer
A：Reduced rate is less than 0.02%
B：Reduced rate is for 0.02% less than 0.05%
C：Reduced rate is more than 0.05%
As shown in table 2, polarizer of the invention shows excellent pencil hardness and adhesiveness.Especially, when boronic acid monomer Mass ratio (quality of boronic acid monomer/(total quality of boronic acid monomer and polyfunctional monomer)) is 0.005~11.0 mass % When, it is more excellent to confirm WET durabilities.
On the other hand, in the comparative example without boronic acid monomer, adhesiveness is poor.
6 ＞ of ＜ comparative examples
It is coated with the mold using slit die described in the embodiment 1 of Japanese Unexamined Patent Publication 2006-122889 publications Method, with transfer rate 24m/ minutes on the polarizer (polarizer containing polyvinyl alcohol resin) of 25 μm of the thickness in addition prepared Condition coating table 1 in described hardening resin composition 17, it is and 60 seconds dry at 60 DEG C.Afterwards, further in nitrogen (oxygen concentration about 0.1%) is swept down in air-blowing, uses metal halide lamps (the EYE GRAPHICS Co., Ltd.s of 160W/cm System) irradiation illumination 400mW/cm2, exposure 390mJ/cm2Ultraviolet, coating layer is cured and is batched.With cured layer Thickness adjusts coating weight as 8 μm of mode.In this way, cured layer 17 is made on the polarizer.
Then, on the face opposite with certain one side of the cured layer 17 of polarizer, with the transfer rate condition of 24m/ minutes Hardening resin composition 4 described in table 1 is coated with, and it is 60 seconds dry at 60 DEG C.Afterwards, further under nitrogen purge (oxygen concentration about 0.1%), is irradiated using the metal halide lamps (EYE GRAPHICS Co., Ltd.s system) of 160W/cm and shone Spend 400mW/cm2, exposure 390mJ/cm2Ultraviolet, coating layer is cured and is batched.Become 1 with the thickness of cured layer μm mode adjust coating weight.The polarizer of such comparison example 6.
＜ comparative examples 7, embodiment 13~24,39~42 ＞
It is as shown in table 3 below, instead of hardening resin composition 17 and hardening resin composition 4 using in above-mentioned table 1 Described hardening resin composition, and change polarizer thickness, in addition, with 6 identical method system of comparative example The polarizer of example of making comparisons 7 and embodiment 13~24,39~42.
In addition, the structure of embodiment 13~24,39~42 is equivalent to the mode that resin bed is configured with the two sides of polarizer.
In table 3, the resin bed being configured on a surface of polarizer is denoted as " the 1st protective layer ", another table will be configured at Resin bed on face is denoted as " the 2nd protective layer ".
In addition, when using polarizer in image display device, usually with the 1st protective layer towards visuognosis side (outside) Mode configured.
Table 3
Implement various evaluations using obtained polarizer in the embodiment shown in table 3 and comparative example.Result is carried out Summarize and be shown in table 3.Evaluation method is as described above.
In addition, the pencil hardness on " the 1st protective layer " column and " the 2nd protective layer " column is from the side for being configured with respective resin bed Proceed by evaluation.Also, replace the polarizer of comparative example 1 and evaluated using the polarizer of comparative example 6.That is, pass through Judge that benchmark is evaluated below.
A：Hardness is equal to or higher than the hardness of comparative example 6
B：For comparative example 6, low 1 grade of hardness
C：For comparative example 6, hardness reduces by 2 grades
In addition, it is divided into the 1st protective layer side and the 2nd protective layer side to implement above-mentioned judgement.That is, the 1st protection of each embodiment Layer is compared with the cured layer 17 of comparative example 6, and the 2nd protective layer of each embodiment is compared with the cured layer 4 of comparative example 6.
Also, in the evaluation of above-mentioned (WET durabilities), by the 2nd protection in the polarizer of each embodiment and comparative example Layer fits in glass substrate to make sample via adhesive, and uses the sample.Also, for the WET durabilities of table 3, Instead of the polarizer of comparative example 1, the polarizer of comparative example 6 is evaluated with polarizer is made comparisons.
In addition, in the evaluation of above-mentioned (light resistance), the 2nd protective layer in the polarizer of each embodiment and comparative example is passed through Glass substrate is fitted in by adhesive to make sample, is irradiated from the 1st protective layer side of the sample using xenon lamp.Separately Outside, for the light resistance in table 3, by the polarizer polarizer of making comparisons of comparative example 1 in the same manner as table 2.
As shown in table 3, polarizer of the invention shows excellent pencil hardness and adhesiveness.
On the other hand, in the comparative example without boronic acid monomer, adhesiveness is poor.
8 ＞ of ＜ comparative examples
It is coated with the mold using slit die described in the embodiment 1 of Japanese Unexamined Patent Publication 2006-122889 publications Method, on the polarizer (polarizer containing polyvinyl alcohol resin) of 25 μm of the thickness in addition prepared, with 24m/ points of transfer rate Described hardening resin composition 17 in the condition coating table 1 of clock, and it is 60 seconds dry at 60 DEG C.Afterwards, further exist Under nitrogen purging (oxygen concentration about 0.1%), metal halide lamps (the EYE GRAPHICS Co., Ltd.s of 160W/cm are used System) irradiation illumination 400mW/cm2, exposure 390mJ/cm2Ultraviolet, coating layer is cured and is batched.With cured layer Thickness adjusts coating weight as 8 μm of mode.The polarizer of such comparison example 8.
The polarizer ＞ of ＜ comparative examples 9, embodiment 25~35,43~46
It is as shown in table 4 below, curable resin group described in above-mentioned table 1 is used instead of hardening resin composition 17 Compound, and change the thickness of polarizer, in addition, with the method comparison example 9 identical with comparative example 8 and embodiment 25~ 35th, 43~46 polarizer.
In addition, the structure of embodiment 25~35,43~46 is equivalent to structure described in Fig. 1.
Table 4
Implement various evaluations using obtained polarizer in the embodiment shown in table 4 and comparative example.Result is carried out Summarize and be shown in table 4.Evaluation method is as described above.
In addition, the pencil hardness on " resin bed " column is evaluated since being configured with the side of resin bed.Also, replace comparative example 1 polarizer and evaluated using the polarizer of comparative example 8.That is, evaluated by following judgement benchmark.
A：Hardness is equal to or higher than the hardness of comparative example 8
B：For comparative example 8, hardness reduces by 1 grade
C：For comparative example 8, hardness reduces by 2 grades
Also, in the evaluation of above-mentioned (WET durabilities), the polarizer in the polarizer of each embodiment and comparative example is passed through Glass substrate is fitted in by adhesive to make sample, and uses the sample.Also, for the WET durabilities of table 4, instead of The polarizer of comparative example 1, the polarizer of comparative example 8 is evaluated with polarizer is made comparisons.
Moreover, in the evaluation of above-mentioned (light resistance), by the polarizer in the polarizer of each embodiment and comparative example via Adhesive fits in glass substrate to make sample, begins to use xenon lamp to be irradiated from the resin bed side of the sample.In addition, For the light resistance in table 4, by the polarizer polarizer of making comparisons of comparative example 1 in the same manner as table 2.
As shown in table 4, polarizer of the invention shows excellent pencil hardness and adhesiveness.
On the other hand, in the comparative example without boronic acid monomer, adhesiveness is poor.
Symbol description
10th, 100- polarizers, 12- polarizers, 14- resin beds, 16- polarizer protecting films.

Claims (8)

1. a kind of polarizer, possesses polarizer and the resin bed directly contacted with the polarizer, wherein,
To make layer obtained from boronic acid monomer and polyfunctional monomer progress polymerizing curable, the boronic acid monomer has the resin bed The boronate and polymerizable group represented by formula (1),
The Re (550) and Rth (550) of the resin bed meet following formula (X)s and formula (Y) respectively,
Formula (X) Re (550)≤10nm
Formula (Y) | Rth (550) |≤10nm
The thickness of the polarizer is less than 35 μm,
Wherein, Re (550) refers to postpone in the face under wavelength 550nm, and unit nm, Rth (550) refer under wavelength 550nm The delay of thickness direction, unit nm,
[chemical formula 1]
In formula (1), R1And R2Separately represent hydrogen atom, substituted or unsubstituted aliphatic alkyl, substituted or unsubstituted Aryl or substituted or unsubstituted heterocyclic radical；* bonding position is represented.
2. polarizer according to claim 1, wherein,
The boronic acid monomer is relative to the boronic acid monomer and mass ratio, that is, boric acid of total quality of the polyfunctional monomer The quality of monomer/(total quality of boronic acid monomer and polyfunctional monomer) is 0.005~11.0 mass %.
3. polarizer according to claim 1 or 2, wherein,
The contained polymerizable group is (methyl) acryloyl group in the polyfunctional monomer.
4. polarizer according to claim 1 or 2, wherein,
The resin bed also contains ultra-violet absorber.
5. polarizer according to claim 1 or 2, wherein,
Maximum transmission rate of the resin bed under 300~380nm of wavelength is less than 15%.
6. polarizer according to claim 1 or 2, wherein,
Polarizer protecting film is also equipped with the surface with resin bed side opposite side of the polarizer,
Maximum transmission rate of the polarizer protecting film under 300~380nm of wavelength is less than 15%.
7. a kind of image display device, it includes the polarizer any one of claim 1 to 6.
8. image display device according to claim 7, it is liquid crystal display device.
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Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6186011B2 (en) * 2014-01-23 2017-08-23 富士フイルム株式会社 Polarizing plate and image display device
JP2016169297A (en) * 2015-03-12 2016-09-23 日東電工株式会社 Crosslinking agent and curable resin composition, polarizing film and method for manufacturing the same, optical film, and image display device
JP6689103B2 (en) * 2015-03-12 2020-04-28 日東電工株式会社 Polarizing film and its manufacturing method, optical film and image display device
WO2016143885A1 (en) * 2015-03-12 2016-09-15 日東電工株式会社 Polarizing film and method for manufacturing same, optical film, and image display device
WO2016194801A1 (en) 2015-05-29 2016-12-08 富士フイルム株式会社 Organic electroluminescent display device
JP6709060B2 (en) * 2016-02-03 2020-06-10 日東電工株式会社 Curable resin composition
JP6560999B2 (en) * 2016-03-09 2019-08-14 日東電工株式会社 Curable resin composition, polarizing film and method for producing the same, optical film, and image display device
JP7278075B2 (en) * 2016-05-17 2023-05-19 日東電工株式会社 POLARIZING FILM AND MANUFACTURING METHOD THEREOF, OPTICAL FILM, IMAGE DISPLAY DEVICE AND EASY-ADHESIVE POLARIZER
WO2018003664A1 (en) * 2016-06-27 2018-01-04 富士フイルム株式会社 Functional film, polarizing plate and display device
JP6740144B2 (en) 2016-06-27 2020-08-12 富士フイルム株式会社 Copolymer and composition
WO2018003662A1 (en) * 2016-06-27 2018-01-04 富士フイルム株式会社 Copolymer and composition
JP6722602B2 (en) 2016-06-27 2020-07-15 富士フイルム株式会社 Laminate including functional film, polarizing plate, and display device
EP3521874B1 (en) * 2016-09-30 2020-10-21 FUJIFILM Corporation Liquid crystal composition, optical film, polarizing plate, and image display device
JP6758393B2 (en) * 2016-09-30 2020-09-23 富士フイルム株式会社 Polymer compound
CN106597748A (en) * 2017-01-03 2017-04-26 京东方科技集团股份有限公司 Display substrate, liquid crystal display panel and liquid crystal display device
JP6868103B2 (en) * 2017-06-30 2021-05-12 富士フイルム株式会社 Anti-reflective film, polarizing plate, and image display device
CN107367785B (en) * 2017-08-25 2019-11-26 业成科技（成都）有限公司 Bendable polaroid and the bendable touch device for using it
JP7368350B2 (en) * 2018-05-15 2023-10-24 大阪有機化学工業株式会社 Curable resin composition
JP7372824B2 (en) * 2018-11-29 2023-11-01 日東電工株式会社 Polarizing film with adhesive layer and image display device
JP7105361B2 (en) * 2019-02-28 2022-07-22 日東電工株式会社 POLARIZING PLATE COMPOSITION FOR PROTECTING POLARIZER AND PROTECTIVE LAYER MADE FROM THE COMPOSITION
JP7333386B2 (en) * 2019-03-29 2023-08-24 富士フイルム株式会社 Laminated glass, projection display system
JP2020176215A (en) * 2019-04-19 2020-10-29 株式会社Adeka Composition, cured material, and production method of cured material
CN114302924A (en) * 2019-08-29 2022-04-08 日东电工株式会社 Resin composition for protecting polarizer and polarizer having protective layer formed from the same
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CN113045702B (en) * 2021-03-15 2023-06-16 珠海冠宇电池股份有限公司 Boric acid derivative modified binder and lithium ion battery containing same
WO2023140111A1 (en) * 2022-01-18 2023-07-27 富士フイルム株式会社 Optical multilayer body, polarizing plate and image display device
CN114539488B (en) * 2022-02-22 2023-11-14 广东云兔科技有限公司 Self-repairing organic silicon photosensitive resin for photocuring 3D printing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005138375A (en) * 2003-11-05 2005-06-02 Fuji Photo Film Co Ltd Cellulose acylate film and its manufacturing method
JP2006309120A (en) * 2004-09-30 2006-11-09 Fuji Photo Film Co Ltd Polymerizable composition, retardation plate, manufacturing method of polymer film, and liquid crystal display
CN101075000A (en) * 2006-05-16 2007-11-21 日东电工株式会社 Polarizing plate and image display including the same
JP2008112127A (en) * 2006-10-04 2008-05-15 Konica Minolta Opto Inc Polarizing plate protection film, polarizing plate, and liquid crystal display device
CN101793992A (en) * 2009-01-30 2010-08-04 日东电工株式会社 Method for manufacturing a laminated film
CN102200603A (en) * 2010-03-24 2011-09-28 住友化学株式会社 Polarizing plate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5546933B2 (en) 2010-04-07 2014-07-09 日東電工株式会社 Adhesive polarizing plate and image display device
JP5244889B2 (en) * 2010-10-28 2013-07-24 富士フイルム株式会社 3D image printing photographic paper, 3D image printed material, and 3D image providing method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005138375A (en) * 2003-11-05 2005-06-02 Fuji Photo Film Co Ltd Cellulose acylate film and its manufacturing method
JP2006309120A (en) * 2004-09-30 2006-11-09 Fuji Photo Film Co Ltd Polymerizable composition, retardation plate, manufacturing method of polymer film, and liquid crystal display
CN101075000A (en) * 2006-05-16 2007-11-21 日东电工株式会社 Polarizing plate and image display including the same
JP2008112127A (en) * 2006-10-04 2008-05-15 Konica Minolta Opto Inc Polarizing plate protection film, polarizing plate, and liquid crystal display device
CN101793992A (en) * 2009-01-30 2010-08-04 日东电工株式会社 Method for manufacturing a laminated film
CN102200603A (en) * 2010-03-24 2011-09-28 住友化学株式会社 Polarizing plate

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